Session: Biogeochemistry: C And N Cycling In Response To Global Change I (97th ESA Annual Meeting (August 5 -- 10, 2012))

8:00 AM

COS 75-1

The effect of climate change factors on biological N-fixation by bryophyte-cyanobacteria associations in Boreal forests
Michael Gundale, Swedish University of Agricultural Sciences

8:20 AM

COS 75-2

Impacts of altered precipitation frequency and amount on ecosystem processes in the subalpine
Richard A. Gill, Brigham Young University; Colin S. Campbell, Decagon Devices

8:40 AM

COS 75-3

Restoring stream processes in a degraded landscape: The case of in-stream carbon
Darren P. Giling, Monash University; Michael Grace, Monash University; Ross M. Thompson, Monash University; Ralph Mac Nally, The University of Canberra

9:00 AM

COS 75-4

Changes in biological and thermal stability of soil organic matter after long-term carbon amendments
Wenting Feng, University of Pennsylvania; Alain F. Plante, University of Pennsylvania; Minggang Xu, Chinese Academy of Agricultural Sciences; Johan Six, ETH

9:20 AM

COS 75-5

Piñon mortality and summer monsoon rains affect extra cellular enzyme activity of soil microbial communities living beneath tree canopies in a Piñon-Juniper woodland
Daniel D. Warnock, University of New Mexico; Marcy Litvak, University of New Mexico; Robert L. Sinsabaugh, University of New Mexico

9:40 AM

COS 75-

Break

9:50 AM

COS 75-6

Transport and transformation of nitrogen in permafrost-influenced catchments
Tamara K. Harms, University of Alaska; Jeremy B. Jones, University of Alaska Fairbanks

10:10 AM

COS 75-7

Effects of plant diversity on grassland soil N cycling are greater and more temporally dynamic than effects of elevated carbon dioxide
Kevin E. Mueller, Cleveland State University; Sarah E. Hobbie, University of Minnesota; Peter B. Reich, University of Minnesota

10:30 AM

COS 75-8

Effect of elevated CO₂ on ecosystem nitrogen fluxes and pools: Meta-analysis
Xuan Qi, University of Oklahoma; Yiqi Luo, University of Oklahoma

10:50 AM

COS 75-9

Nitrogen cycling in the New Jersey Pine Barrens as a consequence of insect outbreaks and wildfire
Melissa Lucash, Portland State University; Robert M. Scheller, Portland State University; Alec M. Kretchun, Portland State University; Kenneth L. Clark, USDA Forest Service; John Hom, USDA Forest Service; Samantha K. Chapman, Villanova University

11:10 AM Cancelled

COS 75-10

Impact of saltwater intrusion on microbial community function and organic matter breakdown in tidal freshwater wetlands (widthdrawn)
Rima B. Franklin, Virginia Commonwealth University; David J. Berrier, Virginia Commonwealth University; Scott C. Neubauer, Baruch Marine Field Laboratory - University of South Carolina

COS 75 - Biogeochemistry: C And N Cycling In Response To Global Change I